hitachi — Hitachi Industrial Manual - Technical and Workshop Guide (EN)

GENERAL / Precautions for Dissembling and Assembling Maintenance Standard Terminology “Standard” 1. Dimension for parts on a new machine. 2. Dimension of new components or assemblies adjusted to specification. Allowable errors will be indicated if necessary. “Allowable Limit” 1. Normal machine performance cannot be accomplished after exceeding this limit. 2. Repair or adjustment is difficult after exceeding this limit. 3. Repair or adjustment is impossible after exceeding this limit. Therefore, in consideration of operation efficiency and maintenance expense, proper maintenance shall be carried out before reaching the “Allowable Limit”. W1-1-5